When I was installing (March 2015), they did offer "vinyl over steps" for a small price upgrade, but Scott (the old owner) advised me against it. He said the vinyl can get slippery. Maybe that is or is not the case, I really don't know. He was pretty straightforward with me about everything, and really did not try to upsell anything, but answered questions when I asked about them. Jenny advised me to go with the colored steps. I was already spending more than I wanted to, and felt she was trying to upsell me. The difference was $500, and I really wish I would have done it. It was only $500 for something I was spending close to $30k on after dropping trees, extra decking, and everything else. That is my biggest regret.
I also wish I would have chosen a darker liner. I thought I had a medium shade, and it looks good, but it turned out a bit lighter than I thought from the samples once I saw it installed and the pool filled.
I wish I would have gone a bit bigger and put the deep end in the middle. It would have made it much easier to play games like pool volleyball.
Finally, I still go back and forth on whether I should have chosen stamped concrete. It would have drastically increased the costs as I added an additional 1100 square feet of decking anyway, but it does look better.
I had narrowed down to Lusk and Green Acres at the end, and I chose Green Acres because my next door neighbor used them and was happy. He is always out there working with his pool, but all of his original stuff is still in good shape. After 10 years, his liner still looks good. They did my other neighbors, across the street, this year. They are happy as well. However, I know people in Cherokee County who used Lusk and are very happy.
I would highly recommend the VSP eco-pump and the salt system. I put in new HVAC units at the same time as my pool, and my electric bill is half of what it was before the pool (meaning the savings are from the new HVAC system, but the pool hasn't really affected my power usage). My neighbor has the pump with the basic package, and he says it does cost a good bit to run. The salt system makes maintenance a breeze. I still test the water pretty regularly, but I rarely have to do anything to it.